Mangrove Creek flood map & planning overlays
A planning-constraint profile of Mangrove Creek (Central Coast, NSW) - 19.09 km², mapped from live council and state overlay data. This suburb is highly constrained.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
Constraint readout
19.09 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Mangrove Creek's boundary, with the flood, bushfire and environmental overlays drawn on top. It shows where constraints fall; the interactive map shows them on your exact address.
Mangrove Creek at a glance
How Mangrove Creek is zoned
Buying in Mangrove Creek? The zoning, flood and bushfire lines on the section 10.7 certificate attached to the contract are mapped controls - see our s10.7 certificate guide.
Across its 19.09 km², Mangrove Creek is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 100% is flagged bushfire-prone. There are 5 heritage-listed sites on record, and the dominant land-use zone is National Parks and Nature Reserves. The median lot measures about 132,644 m² across 57 parcels. These figures are suburb-wide - the overlays that actually apply to a given lot can differ block to block, which is what a property-level check tells you.
Who lives in Mangrove Creek
Census 2021 figures published by the ABS for the Mangrove Creek suburb boundary itself, not a wider region.
Socio-economic standing
ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.
Score 987, and decile 5 within New South Wales. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Calga - Kulnura, the wider ABS statistical area containing Mangrove Creek. There is no annual population series published at suburb level, so this describes the surrounding area rather than Mangrove Creek itself.
4,793 in 2001 to 4,678 in 2025, down 2%.
Source: Australian Bureau of Statistics. Census of Population and Housing 2021 (General Community Profile) and SEIFA 2021, both published at the Suburbs and Localities level; Regional Population (estimated resident population) at Statistical Area Level 2. Used under CC BY 4.0. Census counts of small populations are randomly adjusted by the ABS to protect confidentiality, so figures for small suburbs are indicative.
Mangrove Creek data sources and coverage
Every figure below is an aggregate for the suburb boundary. “Not mapped” means LayeredGeo does not hold a source layer covering this suburb; it is never an all-clear for a particular property.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Bushfire-prone mapping | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Zoning | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Heritage and environment | Mapped where published | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 5 August 2026. See the methodology and full source list. Source data changes over time and critical decisions should be checked with the responsible authority.
Check a specific Mangrove Creek address
See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.
See what's in the $9 report →Mangrove Creek planning - frequently asked
Where can I see a flood map of Mangrove Creek?
The schematic on this page is a Mangrove Creek flood map: the mapped flood overlays drawn over the suburb's terrain and street grid. Flood lines vary block to block, so for a specific property use the free interactive map - search any Mangrove Creek address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Mangrove Creek flood-prone?
Flood mapping covers Mangrove Creek and none of the suburb falls within a mapped flood overlay. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Mangrove Creek bushfire-prone?
Yes - around 100% of Mangrove Creek is mapped as bushfire-prone, compared with a Central Coast average of 69%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Mangrove Creek?
The dominant planning zone in Mangrove Creek is National Parks and Nature Reserves, though the suburb also includes Environmental Conservation and Infrastructure. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Mangrove Creek have heritage-listed places?
Mangrove Creek has 5 heritage-listed places on record. Heritage listing affects what you can alter or demolish, so confirm whether a specific property is listed or near a heritage place.
What is the typical lot size in Mangrove Creek?
Across 57 surveyed parcels in Mangrove Creek, the median lot size is about 132,644 m².
What is the population of Mangrove Creek?
At the 2021 Census Mangrove Creek had 56 usual residents, with a median age of 34 and an average household size of 3.7 people. The wider Calga - Kulnura statistical area, which contains Mangrove Creek, went from 4,793 people in 2001 to 4,678 in 2025, down 2%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Mangrove Creek alone.
Is Mangrove Creek an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Mangrove Creek scores 987 and sits in decile 6 of 10 nationally and decile 5 within New South Wales - decile 1 being the most disadvantaged tenth of Australian suburbs and decile 10 the least. The national average score is 1000. SEIFA summarises income, education, occupation and housing across the whole suburb, so it describes the area, not any particular household in it.
What is the median household income in Mangrove Creek?
Median household income in Mangrove Creek was $2,125 a week at the 2021 Census, against $1,735 for the typical suburb in Central Coast. Median rent was $650 a week and the median mortgage repayment $3,359 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Mangrove Creek property?
A Mangrove Creek planning report pulls every overlay - zoning, flood, bushfire, heritage and environmental - that touches a single lot, on live council and state data. The interactive map preview is free; a full PDF report is $9.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Greengrove | 3.9 km | Not mapped | 96% |
| Lower Mangrove | 5.3 km | Not mapped | 93% |
| Ten Mile Hollow Hawkesbury |
5.5 km | 0% | 100% |
| Mangrove Mountain | 5.9 km | Not mapped | 92% |
| Upper Mangrove | 6.8 km | 0% | 100% |
| Glenworth Valley | 7.6 km | Not mapped | 94% |
| Gunderman | 8.5 km | <1% | 96% |
| Peats Ridge | 9.6 km | Not mapped | 80% |
| Spencer | 10.0 km | 0% | 87% |
| Wrights Creek Hawkesbury |
10.0 km | 0% | 100% |